Portable storage unit



FIG. 1 is a perspective view of a portable storage unit showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a perspective view of a second embodiment of the storage unit shown in FIG. 1;

FIG. 9 is a top plan view thereof;

FIG. 10 is a front elevational view thereof; and,

FIG. 11 is a left side elevational view thereof.

The rear and right side being the same in appearance as the embodiment of FIGS. 1-7. FIGS. 2-7 and 9-11 have been shown on an enlarged scale with respect to FIGS. 1 and 8. 

The ornamental design for a portable storage unit, as shown and described. 